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izvor podataka: crosbi

Corelation beetween frost resistance of concrete measured by cif test and by microscopic analysis (CROSBI ID 583615)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Hranilović Trubić, Ana ; Rosković, Ružica ; Radić, Jure Corelation beetween frost resistance of concrete measured by cif test and by microscopic analysis // The 7th Central European Congress on Concrete Engineering „Innovative materials and Technologies for Concrete Structures“ (CCC2011) : proceedings / Balázs, György L. ; Lublóy, Éva (ur.). Budimpešta: FIB Hungary, 2011. str. 475-478

Podaci o odgovornosti

Hranilović Trubić, Ana ; Rosković, Ružica ; Radić, Jure

engleski

Corelation beetween frost resistance of concrete measured by cif test and by microscopic analysis

Concrete structures should be designed and performed in the way that, under expected environmental conditions, their safety and usability hold over the structure’s lifetime with minimal repair and maintenance costs. Long-life concrete must be resistant to destruction when exposed to agressive environment like it is, among other things, the freezing effect without deicing salt. In this paper proportioning of frost resistant concrete is presented depending on the w/c ratio and amount of cement and admixtures. 15 concrete mixtures have been prepared and all the concrete’s physical and mechanical properties have been tested. Methods of testing frost resistance through the air void distribution with linear microscopical analysis are used. The microscopic method in hardened concrete has significantly reduced time necessary for the execution of preliminary testing by the alternating freezing and thawing cycles. The analysis of the internal damage will be presented by using the CIF-test. The CIF-test basing on this shows the strong correlation between freeze-thaw cycles, frost suction and internal damage of concrete.

hardened concrete ; thawing ; freezing ; air voids ; spacing factor

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Podaci o prilogu

475-478.

2011.

objavljeno

Podaci o matičnoj publikaciji

The 7th Central European Congress on Concrete Engineering „Innovative materials and Technologies for Concrete Structures“ (CCC2011) : proceedings

Balázs, György L. ; Lublóy, Éva

Budimpešta: FIB Hungary

978-963-313-036-0

Podaci o skupu

Central European Congress on Concrete Engineering „Innovative materials and Technologies for Concrete Structures“ (7 ; 2011)

predavanje

22.09.2011-23.09.2011

Balatonfüred, Mađarska

Povezanost rada

Građevinarstvo